package com.shlanbao.tzsc.utils.tools;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import org.apache.log4j.Logger;
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import org.w3c.dom.Document;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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/**
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* xml解析
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* @author Leejean
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* @create 2014年12月12日下午4:46:42
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*/
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public class XmlUtil {
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private static Logger log = Logger.getLogger(XmlUtil.class);
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public static NodeList getRootNodes(String xmlPath,String root){
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try {
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File f=new File(xmlPath);
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DocumentBuilderFactory factory=DocumentBuilderFactory.newInstance();
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DocumentBuilder builder = factory.newDocumentBuilder();
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Document doc = builder.parse(f);
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return doc.getElementsByTagName(root);
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} catch (Exception e) {
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log.error("解析xml异常", e);
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}
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return null;
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}
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/**
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* 获得节点值
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* @author Leejean
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* @create 2014年12月11日下午1:46:49
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* @param node
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* @return
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*/
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public static String getNodeValue(Node node){
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return node.getTextContent();
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}
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public static List<Node> getSubNodes(Node node){
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NodeList nodeList = node.getChildNodes();
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List<Node> nodes = new ArrayList<Node>();
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for (int i = 0; i < nodeList.getLength(); i++) {
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nodes.add(nodeList.item(i));
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}
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return nodes;
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}
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/**
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* 根据节点名称获得节点值
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* @author Leejean
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* @date 2015年3月2日 下午3:24:04
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* @param parentNode 父级节点
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* @param nodeName
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* @return
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*/
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public static String getValueByNodeName(Node parentNode,String nodeName){
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NodeList nodeList = parentNode.getChildNodes();
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for (int i = 0; i < nodeList.getLength(); i++) {
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if(nodeList.item(i).getNodeName().equalsIgnoreCase(nodeName)){
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return nodeList.item(i).getTextContent();
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}
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}
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return null;
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}
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public static Node getNodeByNodeName(Node parentNode,String nodeName){
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NodeList nodeList = parentNode.getChildNodes();
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for (int i = 0; i < nodeList.getLength(); i++) {
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if(nodeList.item(i).getNodeName().equalsIgnoreCase(nodeName)){
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return nodeList.item(i);
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}
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}
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return null;
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}
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}
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